ENTRY D6129 20120712 D085D612900000001 SUBENT D6129001 20120712 D085D612900100001 BIB 10 30 D612900100002 TITLE Entrance channel effects in the fusion-fission time D612900100003 scales from studies of prescission neutron D612900100004 multiplicities D612900100005 AUTHOR (A.Saxena, A.Chatterjee, R.K.Choudhury, S.S.Kapoor, D612900100006 D.M.Nadkarni) D612900100007 INSTITUTE (3INDTRM) Nuclear Physics Division, BARC D612900100008 REFERENCE (J,PR/C,49,932,1994) D612900100009 FACILITY (VDGT,3INDTRM) 14 UD Pelletron accelerator D612900100010 SAMPLE 232Th and 237Np targets of thicknesses 1.8 mg/cm2 and D612900100011 300 ug/cm2 respectively on aluminium backing. D612900100012 DETECTOR (SIBAR) Two silicon surface barrier detectors of D612900100013 thickness 12 micrometer at 110 and 160 degree with D612900100014 respect to the beam direction to detect the fission D612900100015 fragments D612900100016 (SCIN) Two NE213 neutron detectors (5 cm thick and 5 cmD612900100017 in diameter) at a distance of 50 cm from the target D612900100018 each subtending angles of 0 or 180 degree, and 90 D612900100019 degree with respect to the direction of fragment D612900100020 detection. D612900100021 METHOD (TOF) The time of flight signal of each neutron D612900100022 detector was obtained with reference to the start D612900100023 pulse derived from either of the 2 fission detectors. D612900100024 ANALYSIS The laboratory neutron energy spectra were determined D612900100025 from the observed time-of-flight spectra after D612900100026 correcting for the neutron detection efficiency for D612900100027 each neutron detector. D612900100028 HISTORY (20120702C) Compiled by Reetuparna Ghosh,Sylvia Badwar,D612900100029 B.M.Jyrwa,North Eastern Hill University,Shillong, D612900100030 Meghalaya,India. D612900100031 (20120712U) BL+On. Finalized D612900100032 ENDBIB 30 0 D612900100033 NOCOMMON 0 0 D612900100034 ENDSUBENT 33 0 D612900199999 SUBENT D6129002 20120712 D085D612900200001 BIB 3 5 D612900200002 REACTION (90-TH-232(6-C-12,F),,NU/DA/DE,N+FF/N) D612900200003 ERR-ANALYS (E-ERR-DIG) Digitizing error D612900200004 (ERR-DIG) Digitizing error D612900200005 (DATA-ERR) No information on source of uncertainties D612900200006 STATUS (CURVE) Digitized from Fig.3 of Phys.Rev.C49(1994)932 D612900200007 ENDBIB 5 0 D612900200008 COMMON 4 3 D612900200009 ANG EN E-ERR-DIG ERR-DIG D612900200010 ADEG MEV MEV PER-CENT D612900200011 20. 86. 0.05 0.02 D612900200012 ENDCOMMON 3 0 D612900200013 DATA 4 59 D612900200014 ANG-RL E DATA DATA-ERR D612900200015 ADEG MEV P/FS/MEVSR P/FS/MEVSR D612900200016 90. 0.65 1.88E-01 1.44E-02 D612900200017 90. 0.91 1.88E-01 1.96E-02 D612900200018 90. 1.22 1.66E-01 1.71E-02 D612900200019 90. 1.43 1.43E-01 D612900200020 90. 1.63 1.23E-01 D612900200021 90. 1.90 1.06E-01 D612900200022 90. 2.05 1.20E-01 1.24E-02 D612900200023 90. 2.15 1.04E-01 D612900200024 90. 2.42 9.15E-02 D612900200025 90. 2.68 8.71E-02 6.66E-03 D612900200026 90. 2.78 7.51E-02 5.35E-03 D612900200027 90. 3.04 7.88E-02 D612900200028 90. 3.25 6.79E-02 D612900200029 90. 3.46 6.00E-02 D612900200030 90. 3.67 5.56E-02 D612900200031 90. 3.87 5.16E-02 D612900200032 90. 4.08 4.03E-02 6.42E-03 D612900200033 90. 4.18 2.78E-02 3.65E-03 D612900200034 90. 4.49 2.52E-02 3.46E-03 D612900200035 90. 4.70 3.14E-02 4.12E-03 D612900200036 90. 4.80 2.07E-02 2.14E-03 D612900200037 90. 5.11 1.83E-02 1.71E-03 D612900200038 90. 5.27 1.65E-02 D612900200039 90. 5.48 1.61E-02 1.87E-03 D612900200040 90. 5.94 1.35E-02 D612900200041 90. 6.30 1.08E-02 1.42E-03 D612900200042 90. 6.51 9.10E-03 1.25E-03 D612900200043 90. 6.72 7.11E-03 9.76E-04 D612900200044 90. 7.14 6.12E-03 9.74E-04 D612900200045 180. 0.59 2.58E-01 2.74E-02 D612900200046 180. 0.79 2.22E-01 D612900200047 180. 1.05 2.16E-01 D612900200048 180. 1.21 2.27E-01 2.40E-02 D612900200049 180. 1.42 2.21E-01 D612900200050 180. 1.68 2.16E-01 2.28E-02 D612900200051 180. 1.95 2.10E-01 2.02E-02 D612900200052 180. 2.21 2.15E-01 D612900200053 180. 2.42 2.04E-01 D612900200054 180. 2.68 1.85E-01 D612900200055 180. 2.89 2.00E-01 D612900200056 180. 3.10 1.75E-01 D612900200057 180. 3.36 1.71E-01 1.8E-02 D612900200058 180. 3.67 1.62E-01 1.71E-02 D612900200059 180. 3.93 1.50E-01 2.01E-02 D612900200060 180. 4.19 1.39E-01 1.47E-02 D612900200061 180. 4.35 1.32E-01 D612900200062 180. 4.50 1.19E-01 1.14E-02 D612900200063 180. 4.72 1.35E-01 1.81E-02 D612900200064 180. 4.87 1.08E-01 1.44E-02 D612900200065 180. 5.08 1.05E-01 1.41E-02 D612900200066 180. 5.23 9.49E-02 9.07E-03 D612900200067 180. 5.44 8.58E-02 8.23E-03 D612900200068 180. 5.65 9.48E-02 6.87E-03 D612900200069 180. 5.92 9.00E-02 1.73E-02 D612900200070 180. 6.01 5.87E-02 8.23E-03 D612900200071 180. 6.22 6.65E-02 8.89E-03 D612900200072 180. 6.43 5.85E-02 D612900200073 180. 6.75 6.31E-02 1.03E-02 D612900200074 180. 6.90 5.56E-02 1.01E-02 D612900200075 ENDDATA 61 0 D612900200076 ENDSUBENT 75 0 D612900299999 SUBENT D6129003 20120712 D085D612900300001 BIB 3 5 D612900300002 REACTION (90-TH-232(6-C-12,F),,NU/DA/DE,N+FF/N) D612900300003 ERR-ANALYS (E-ERR-DIG) Digitizing error D612900300004 (ERR-DIG) Digitizing error D612900300005 (DATA-ERR) No information on source of uncertainties D612900300006 STATUS (CURVE) Digitized from Fig.3 of Phys.Rev.C49(1994)932 D612900300007 ENDBIB 5 0 D612900300008 COMMON 4 3 D612900300009 ANG EN E-ERR-DIG ERR-DIG D612900300010 ADEG MEV MEV PER-CENT D612900300011 110. 86. 0.05 0.03 D612900300012 ENDCOMMON 3 0 D612900300013 DATA 4 55 D612900300014 ANG-RL E DATA DATA-ERR D612900300015 ADEG MEV P/FS/MEVSR P/FS/MEVSR D612900300016 0. 1.08 2.24E-01 1.61E-02 D612900300017 0. 1.39 2.18E-01 D612900300018 0. 1.60 1.83E-01 D612900300019 0. 1.87 1.87E-01 D612900300020 0. 2.08 1.92E-01 D612900300021 0. 2.29 1.74E-01 D612900300022 0. 2.61 1.61E-01 D612900300023 0. 2.87 1.42E-01 1.48E-02 D612900300024 0. 3.08 1.32E-01 D612900300025 0. 3.23 1.08E-01 D612900300026 0. 3.45 1.19E-01 1.25E-02 D612900300027 0. 3.65 8.83E-02 D612900300028 0. 3.81 9.75E-02 1.02E-02 D612900300029 0. 4.02 8.39E-02 8.76E-03 D612900300030 0. 4.29 8.38E-02 8.77E-03 D612900300031 0. 4.44 6.37E-02 6.04E-03 D612900300032 0. 4.65 7.03E-02 9.32E-03 D612900300033 0. 4.86 5.21E-02 6.09E-03 D612900300034 0. 5.12 5.08E-02 6.73E-03 D612900300035 0. 5.33 4.59E-02 6.37E-03 D612900300036 0. 5.70 3.76E-02 6.06E-03 D612900300037 0. 5.90 2.46E-02 D612900300038 0. 5.90 2.12E-02 D612900300039 0. 6.07 2.93E-02 4.72E-03 D612900300040 0. 6.28 3.23E-02 D612900300041 0. 6.43 2.12E-02 2.94E-03 D612900300042 0. 6.75 2.52E-02 3.33E-03 D612900300043 0. 6.90 1.91E-02 2.23E-03 D612900300044 90. 1.22 9.13E-02 D612900300045 90. 1.49 8.90E-02 D612900300046 90. 1.80 8.47E-02 6.49E-03 D612900300047 90. 1.96 6.95E-02 D612900300048 90. 2.06 5.57E-02 5.76E-03 D612900300049 90. 2.33 6.29E-02 D612900300050 90. 2.49 5.29E-02 5.46E-03 D612900300051 90. 2.80 4.34E-02 D612900300052 90. 2.96 3.65E-02 D612900300053 90. 3.17 3.22E-02 D612900300054 90. 3.43 2.65E-02 D612900300055 90. 3.58 2.78E-02 2.88E-03 D612900300056 90. 3.75 2.40E-02 2.47E-03 D612900300057 90. 3.95 1.92E-02 1.36E-03 D612900300058 90. 4.27 1.96E-02 2.58E-03 D612900300059 90. 4.48 1.42E-02 1.34E-03 D612900300060 90. 4.74 1.29E-02 2.05E-03 D612900300061 90. 4.90 1.17E-02 D612900300062 90. 5.11 9.82E-03 D612900300063 90. 5.32 8.90E-03 1.17E-03 D612900300064 90. 5.79 6.29E-03 8.64E-04 D612900300065 90. 6.00 4.68E-03 D612900300066 90. 6.10 4.14E-03 4.80E-04 D612900300067 90. 6.47 3.74E-03 5.14E-04 D612900300068 90. 6.79 3.65E-03 4.22E-04 D612900300069 90. 6.95 2.78E-03 6.05E-04 D612900300070 90. 7.11 3.14E-03 5.91E-04 D612900300071 ENDDATA 57 0 D612900300072 ENDSUBENT 71 0 D612900399999 SUBENT D6129004 20120712 D085D612900400001 BIB 3 4 D612900400002 REACTION (93-NP-237(5-B-11,F),,NU) D612900400003 ERR-ANALYS (ERR-DIG) Digitizing error D612900400004 (DATA-ERR) No information on source of uncertainties D612900400005 STATUS (CURVE) Digitized from Fig.5 of Phys.Rev.C49(1994)932 D612900400006 ENDBIB 4 0 D612900400007 COMMON 1 3 D612900400008 ERR-DIG D612900400009 PRT/FIS D612900400010 0.07 D612900400011 ENDCOMMON 3 0 D612900400012 DATA 3 2 D612900400013 EN DATA DATA-ERR D612900400014 MEV PRT/FIS PRT/FIS D612900400015 71. 6.38 0.47 D612900400016 77. 7.12 0.38 D612900400017 ENDDATA 4 0 D612900400018 ENDSUBENT 17 0 D612900499999 SUBENT D6129005 20120712 D085D612900500001 BIB 3 4 D612900500002 REACTION (90-TH-232(8-O-16,F),,NU) D612900500003 ERR-ANALYS (ERR-DIG) Digitizing error D612900500004 (DATA-ERR) No information on source of uncertainties D612900500005 STATUS (CURVE) Digitized from Fig.5 of Phys.Rev.C49(1994)932 D612900500006 ENDBIB 4 0 D612900500007 COMMON 1 3 D612900500008 ERR-DIG D612900500009 PRT/FIS D612900500010 0.07 D612900500011 ENDCOMMON 3 0 D612900500012 DATA 3 3 D612900500013 EN DATA DATA-ERR D612900500014 MEV PRT/FIS PRT/FIS D612900500015 92. 5.61 0.43 D612900500016 98. 6.48 0.43 D612900500017 104. 7.60 0.33 D612900500018 ENDDATA 5 0 D612900500019 ENDSUBENT 18 0 D612900599999 SUBENT D6129006 20120712 D085D612900600001 BIB 3 4 D612900600002 REACTION (90-TH-232(6-C-12,F),,NU) D612900600003 ERR-ANALYS (ERR-DIG) Digitizing error D612900600004 (DATA-ERR) No information on source of uncertainties D612900600005 STATUS (CURVE) Digitized from Fig.5 of Phys.Rev.C49(1994)932 D612900600006 ENDBIB 4 0 D612900600007 COMMON 1 3 D612900600008 ERR-DIG D612900600009 PRT/FIS D612900600010 0.07 D612900600011 ENDCOMMON 3 0 D612900600012 DATA 3 3 D612900600013 EN DATA DATA-ERR D612900600014 MEV PRT/FIS PRT/FIS D612900600015 74. 5.06 0.38 D612900600016 80. 5.72 0.43 D612900600017 86. 6.36 0.47 D612900600018 ENDDATA 5 0 D612900600019 ENDSUBENT 18 0 D612900699999 ENDENTRY 6 0 D612999999999